/*
 * Copyright (c) 2023 fred
 * Licensed under the Apache License,Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

/**
 * Util methods for normalizing strings. Jsoup internal use only, please don't depend on this API.
 */
export class Normalizer {
  /** Drops the input string to lower case. */
  public static lowerCase(input: string): string {
    return (input !== undefined && input !== null) ? input.toLowerCase() : "";
  }

  /** Lower-cases and trims the input string. */
  public static normalize(input: string, isStringLiteral: boolean = true): string {
    return isStringLiteral ? Normalizer.lowerCase(input) : Normalizer.lowerCase(input).trim();
  }
}
